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Some thoughts on a dynamic GUI for athena

example of an athinput file with GUI hints

correct_err = false # correct midpoint assumption in analytic solution #> RADIO true,false cfl_number = 0.4 # The Courant, Friedrichs, & Lewy (CFL) Number #> SCALE 0:2:0.01 tlim = 5.0 # time limit #> SCALE 1:100:1 integrator = rk2 # time integration algorithm #> RADIO rk2,vl2 evolution = dynamic # dynamic/kinematic/static #> RADIO dynamic,kinematic,static key = value # help text #> WIDGET [wpars]

Command Line Interface

Athena++

Usage: /home/teuben/Athena/agui/athena/bin/athena [options] [block/par=value ...]

Options: -i specify input file [athinput] -r restart with this file -d specify run dir [current dir] -n parse input file and quit -c show configuration and quit -m output mesh structure and quit -t hh:mm:ss wall time limit for final output -h this help

Athenak

Athena v0.1 Usage: athenak/build/src/athena [options] [block/par=value ...] Options: -i specify input file [athinput] -r restart with this file -d specify run dir [current dir] -n parse input file and quit -c show configuration and quit -m output mesh structure and quit -h this help This Athena++ executable is configured with: Problem generator: built_in_pgens Floating-point precision: double MPI parallelism: OFF OpenMP parallelism: OFF

Proposed workflow.

  1. Terminal command: (a separate GUI can do that too, looking for athinput files and then "executing" them via our new gui).

    Examples :

    agui.py [options] athena/inputs/hydro/athinput.linear_wave1d agui.py [options] athenak/inputs/tests/linear_wave_hydro.athinput

    [options]

    Should it be able to deal with athena++ as well as athenak ?

  2. parse the athinput file and sort by "<name/key=val> help [GUI]" [block/par=value ...] athena: no magic marker? athenak: '# AthenaXXX' has new ?

    Decide which (or all) that have GUI markup ?

    These [GUI] directives will be displayed via this new dynamics GUI on screen, and builds up a command

    Idea: allow mathematical transformation? For example a gridsize of 16,32,64,128,256,.... could be written as 2N with N=4,5,6,7,8,... #> SCALE 16:256:*2 #> SCALE 4:8:1;%12 The alternative is a radio button with enumerated values

  3. EXE -i ATHINPUT -d RUNDIR PARS...

    where PARS... will be provided by the GUI

  4. Analyze the 1D-output - do we need an athoutput file?

    • animate a selected X vs. Y plot in time (from the *tab files)

      Athena++ data at time=1.940622e+00 cycle=621 variables=prim

      i x1v rho press vel1 vel2 vel3

    • look at history of variable (in .hst file) as function of time

      [1]=time [2]=dt [3]=mass [4]=1-mom [5]=2-mom [6]=3-mom [7]=1-KE [8]=2-KE [9]=3-KE [10]=tot-E [11]=max-v2

    • look at the errors.dat file

      Nx1 Nx2 Nx3 Ncycle RMS-L1-Error d_L1 M1_L1 M2_L1 M3_L1 E_L1 Largest-Max/L1 d_max M1_max M2_max M3_max E_max

  5. TBD - what to do for 2D-output

What's currently working:

  1. A parser of athinput for tkrun is working, but you can't run anything, just displays the GUI

    ./arun1.py athinput.linear_wave1d > test1.sh tkrun test1.sh

    ./arun1.py linear_wave_hydro.athinput > test2.sh tkrun test2.sh

Other ideas

  1. For 1D cases it's nice to have a GUI that can plot two variables from the *.tab files (or two columns from the hst file), in addition a slider to stop the animation and step through the tab files.